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The microSD card slot allows storing large amounts of data externally, on a microSD memory card. The microSD card detection circuit is also provided on the board.
Ethernet physical layer is provided by the LAN8720A, an RMII 10/100 Ethernet PHY IC from Microchip. This IC has many useful features, including flexPWR® technology with a flexible power management architecture and a support for various low-power modes, compliance with ISO 802-3/IEEE and IEEE802.3/802.3u frame formats, loop-back modes support, auto-negotiation, automatic polarity detection and correction, and so on.
The host MCU is equipped with the USB peripheral module, allowing simple USB connectivity.
The RTC peripheral utilizes a separate power supply source, typically a battery. To allow continuous tracking of time, mikromedia 7 is equipped with a button cell battery that maintains RTC functionality even if the main power supply is off.
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